package com.itheima.user.service;

import com.itheima.user.entity.UserEntity;
import com.itheima.user.vo.response.OrderResultVO;

public interface UserService {

    //登录
    boolean login(String userName,String password);

    //判断用户是否存在
    UserEntity findUserById(Integer userId);

    //测试 链路限流
    void dosomething();
}
